A tri-esta was a type of Ferengi coin. Miles O'Brien used one to practice a magic trick in preparation for Molly O'Brien's birthday party in the year 2369. (DS9 novel: The Siege)
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| Types of currency | |
|---|---|
| materials | acta crystal • gold • diamond • latinum • ludugial gold • silver • Orion energy orb |
| units | bilbok • cent • credit • darsek • decim • dejebbit • dirak • dollar • drokna • ducat • dukor • energy • galorine credit slip • Huch • ilec • kern • klon peag • laertian dinar • lek • lita • notch-rock • prime transfer authority • quatloo • sakto • sous • stellor • szeket • t'chak • talon • tri-esta |